Lactarius peckii Burlingham. Cap 5-15cm across, broadly convex with an inrolled margin, becoming shallowly depressed or occasionally funnel-shaped; dark bay to brick red, with darker zones of color when moist; dry and velvety when young, becoming shiny. Gills decurrent, close, narrow; pale buff, becoming reddish brown to dark brown when dried. Stem 20-60 x 10-25mm, stuffed becoming hollow, sometimes narrowing below; same color as cap or paler, sometimes spotted reddish brown when handled; covered with a white bloom at first. Flesh firm; pale pinkish brown. Latex white, unchanging, plentiful. Odor strong. Taste very acrid after 30 seconds. Spores globose, amyloid, 6-7.5 x 6-7.5µ; ornamented with a heavy partial or complete reticulum, prominences 0.3-0.8µ high. Deposit white. Habitat scattered or in groups along roads, trails, and streams and in grassy open oak woods. Found in the Eastern Seaboard states, the Southeast, and the Gulf Coast region. Season July-September. Not edible.